Self-Retaining T-Nut fasteners are bushings with internal threads and a substantial base that combine the functions of a nut and a washer. They offer many design advantages and frequently cut weight, labor and cost.
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Self-Retaining Round Base Spot Weld T-Nuts

5/16-18 Thread Size Self-Retaining Round Base Spot Weld T-Nut
Self-Retaining Round Base Spot Weld T-Nuts

1/4-20 Thread Size Self-Retaining Round Base Spot Weld T-Nut
Self-Retaining Round Base Spot Weld T-Nuts

3/8-16 Thread Size Self-Retaining Round Base Spot Weld T-Nut
Description N/A Self-Retaining T-Nut fasteners are bushings with internal threads and a substantial base that combine the functions of a nut and a washer. They offer many design advantages and frequently cut weight, labor and cost.
Fastener Type N/A Round Base
Thread Size N/A 5/16-18 N/A 1/4-20 N/A 3/8-16
Base Height N/A 0.062 in1.60 mm N/A 0.050 in1.30 mm N/A 0.075 in1.90 mm
Collar Length N/A 0.375 in9.50 mm N/A 0.312 in7.90 mm N/A 0.437 in11.10 mm
Major Collar Outside Diameter N/A 0.391 in9.90 mm N/A 0.311 in7.90 mm N/A 0.471 in12.00 mm
Minimum Collar Outside Diameter N/A 0.386 in9.80 mm N/A 0.306 in7.80 mm N/A 0.466 in11.80 mm
Overall Diameter N/A 0.875 in22.20 mm N/A 0.750 in19.10 mm N/A 1.000 in25.40 mm
Material N/A Steel
Finish N/A Cleaned Oiled N/A N/A
Applications N/A Non-Metallic Applications: Self-Retaining T-Nut fasteners are usually driven into holes. They may provide threads and add strength to relatively weak materials. Some T-Nut fasteners for non-metallic applications may be fed and applied automatically.
Features and Benefits N/A In metal applications, Self-Retaining T-Nut Fasteners are typically spot welded or projection welded with the flange attached to a base plate. They may also be snapped into holes. Either way, they obviate costly tapping and simplify design.
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